Explain: -When there is change in economy due to import and export, then such economy is called Open economy. India enacted Open economy in 1991.

Metals are electropositive elements because they tend to lose electrons easily. In chemical reactions, metals readily give away their outer electrons to form positive ions, making them good conductors of electricity and heat. This electron loss leads to the formation of cations, which contribute to the electropositive nature of metals.

1. The 18th G20 summit has concluded in New Delhi.

2. The G20 was established in 1999 after the Asian financial crisis as a forum for finance ministers and central bank governors to discuss global economic and financial issues.

3. In the wake of the 2007 global economic and financial crisis, the G20 was elevated to the level of heads of state/government, and in 2009 was designated as the "major forum for international economic cooperation".

According to Section 4 of the Right to Information Act, 2005, the public authority has the right obligations.

(1) To publish the particulars, functions and duties of its organization within 120 days.

(2) Duly indexing all records so as to facilitate the exercise of this right.

(3) Ensure that all records are computerised.